Display screen or portion thereof with graphical user interface



The sole FIGURE is a front view of a display screen or portion thereofwith a graphical user interface showing my new design.

The broken lines illustrate numerous unclaimed features including thedisplay screen, portions of the graphical user interface, and portionsof an electronic device. In other words, none of the broken lines formpart of the claimed design.

CLAIM The ornamental design for a display screen or portion thereof witha graphical user interface, as shown and described.